Quantifying the Impact of Anonymization-Induced Clinical Data Quality Loss: Methodological Quantitative Case Study Using Primary Diagnosis Codes and Hospital Length of Stay

Gaetan Kamdje Wabo   ¹ , MSc ;   Piotr Pawel Sokolowski   ¹ , MD ;   Mahboubeh Jannesari Ladani   ¹ , MSc ;   Michael Hagmann   ¹ , PhD ;   Thomas Ganslandt   ² , MD ;   Fabian Siegel   ¹ , MD

¹ Department of Biomedical Informatics, Mannheim Institute for Intelligent Systems in Medicine (MIISM), Medical Faculty of Mannheim, University of Heidelberg, Mannheim, Germany

² Institute of Medical Informatics, Biometry and Epidemiology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Bavaria, Germany